TransitionScript Main STORY GAME

local TweenService = game:GetService("TweenService")
local player = game.Players.LocalPlayer
local TransitionEvent = game.ReplicatedStorage.TransitionEvent
local ScreenGui = player.PlayerGui.ScreenGui
local Transition = ScreenGui.Transition

TransitionEvent.OnClientEvent:Connect(function(timer)
    local goal_start = {}
    local goal_end = {}
    goal_start.BackgroundTransparency = 0
    goal_end.BackgroundTransparency = 1
    local tweenInfo = TweenInfo.new(2) -- add N time
    local tween_start = TweenService:Create(Transition, tweenInfo, goal_start)
    local tween_end = TweenService:Create(Transition, tweenInfo, goal_end)
    tween_start:Play()
    wait(7)
    tween_end:Play()
end)